Datasheet

0.1 1 10 100
0
10
20
30
40
50
60
70
80
CONDUCTED EMISSIONS (dBV)
FREQUENCY (MHz)
Emissions
CISPR 22 Quasi Peak
CISPR 22 Average
0 200 400 600 800 1,000
0
10
20
30
40
50
60
70
80
RADIATED EMISSIONS (dBV/m)
FREQUENCY (MHz)
Emissions (Evaluation Board)
EN 55022 Limit (Class B)
5V/Div
1 ms/Div
VOUT
ENABLE
LMZ14203H
www.ti.com SNVS692D –JANUARY 2011–REVISED OCTOBER 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified, the following conditions apply: V
IN
= 24V; Cin = 10uF X7R Ceramic; C
O
= 47uF; T
AMB
= 25°C.
Startup
V
IN
= 24V I
OUT
= 3A Radiated EMI of Evaluation Board, V
OUT
= 12V
Figure 49. Figure 50.
Conducted EMI, V
OUT
= 12V
Evaluation Board BOM and 3.3µH 2x10µF LC line filter
Figure 51.
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